NVIDIA Jetson TX2 up to R28.3 Speculative Execution information disclosure

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.4$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in NVIDIA Jetson TX2 up to R28.3. This impacts an unknown function of the component Speculative Execution. The manipulation leads to information disclosure. This vulnerability is listed as CVE-2018-6239. The attack must be carried out locally. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in NVIDIA Jetson TX2 up to R28.3. This issue affects some unknown functionality of the component Speculative Execution. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:

NVIDIA Jetson TX2 contains a vulnerability by means of speculative execution where local and unprivileged code may access the contents of cached information in an unauthorized manner, which may lead to information disclosure. The updates apply to all versions prior to and including R28.3.

The bug was discovered 04/02/2019. The weakness was presented 04/12/2019 (Website). The advisory is shared at nvidia.custhelp.com. The identification of this vulnerability is CVE-2018-6239 since 01/25/2018. An attack has to be approached locally. A simple authentication is required for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 10 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

See VDB-99310, VDB-109409, VDB-130874 and VDB-130875 for similar entries. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.3
VulDB Temp Score: 3.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/25/2018 🔍
04/02/2019 +432 days 🔍
04/12/2019 +10 days 🔍
04/13/2019 +1 days 🔍
05/29/2020 +412 days 🔍

Sourcesinfo

Vendor: nvidia.com

Advisory: nvidia.custhelp.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-6239 (🔍)
GCVE (CVE): GCVE-0-2018-6239
GCVE (VulDB): GCVE-100-133373
See also: 🔍

Entryinfo

Created: 04/13/2019 13:38
Updated: 05/29/2020 14:25
Changes: 04/13/2019 13:38 (56), 05/29/2020 14:25 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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